The Academy is open for members only every Tuesday from 8:30-9:30 am and Sunday from 10-11 am. 9:30 a.m. Cal Academy opens at 9:30 a.m. Mon.–Sat. and 11 a.m. Sun. 10:15 a.m. Learn about animals' ...

What goes into the making of an exhibit full of fangs, stingers, and spines? Join Curator of Arachnology Lauren Esposito, Academy biologist Emma Kocina, and exhibit designer Ashley Boycher for a ...

The Rock Fund Programs are facilitated in-person programs that are open to all Kinder–5th grade classes from San Francisco schools, whether public, private, or parochial. Please see below for grade ...

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“These papers present the most exhaustive isotope-based studies on early human diets to date,” says the Academy’s own Zeresenay Alemseged, Senior Curator and Chair of Anthropology, and co-author on ...

“No one has looked at the evolution of the very earliest sea lily fossils in quite this way before,” says Rich Mooi, a collaborator on the paper, and an invertebrate zoology curator at the California ...

The researchers suspect other earthworm species may have also similar clustering behavior. One reason the Eisenia fetida earthworms gather may be because they secrete fluids with antibacterial ...

SAN FRANCISCO, CA (December 2, 2025) — It is with a heavy heart that we share the news that Claude, our beloved albino alligator, has passed away at the age of 30. Claude was an iconic California ...

McGuire and his Berkeley colleague, Robert Dudley, published a paper last week on the extreme evolution of hummingbirds. It’s an amazing tale that takes the small birds from one continent to another ...

SAN FRANCISCO, CA (July 12, 2023) — In a paper published today in Nature, researchers from the California Academy of Sciences, University of São Paulo, University of Oxford, University of Exeter, and ...

Says lead author Camilo Mora of the University of Hawaii and Dalhousie University in Halifax, Canada: “The question of how many species exist has intrigued scientists for centuries and the answer, ...

If geochronology is “the science of determining the ages of earth materials” (according to the center’s website), then Renne must know his gnat’s eyebrow. For those of us lay-folk, it’s about 5,000 ...